diff --git a/src/main/java/org/gcube/gcat/moderation/thread/social/SocialMessageModerationThread.java b/src/main/java/org/gcube/gcat/moderation/thread/social/SocialMessageModerationThread.java
index 2250fd7..fc3eb3a 100644
--- a/src/main/java/org/gcube/gcat/moderation/thread/social/SocialMessageModerationThread.java
+++ b/src/main/java/org/gcube/gcat/moderation/thread/social/SocialMessageModerationThread.java
@@ -130,7 +130,7 @@ public class SocialMessageModerationThread extends ModerationThread {
 		StringWriter stringWriter = new StringWriter();
 		if(!create) {
 			logger.trace("It's a reply");
-			stringWriter.append("Re: [Catalogue Service] ");
+			stringWriter.append("Re: ");
 		}
 		stringWriter.append("[Catalogue Service] ");
 		stringWriter.append(itemTitle);